/Engine/Plugins/Online/OnlineFramework/Source/Qos/Public/QosRegionManager.h
Delegate that fires whenever the current QoS region ID changes.
typedef TMulticastDelegate_TwoParams< void, const [FString](API\Runtime\Core\Containers\FString) &, const [FString](API\Runtime\Core\Containers\FString) & > FOnQosRegionIdChanged